AMD Radeon 660M 1800MHz vs Intel Iris Xe 80EU 1200MHz Full Specs

Summary

384 Shaders 1.8GHz	640 Shaders 1.2GHz
Shared Memory102.4GB/s LPDDR5·DDR5	Shared Memory83.2GB/s LPDDR5·DDR5·LPDDR4X·DDR4
Peak·FP32·FP16 1.38 TFLOPS	Peak·FP32·FP16 1.54 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon 660M 1800MHz2.77 TFLOPSFP16

x1

Iris Xe 80EU 1200MHz3.07 TFLOPSFP16

x1.11

Show Top Score

Theoretical Performance

Clock Speed1800MHz UC·Base·Boost·OC	Clock Speed1200MHz UC·Boost·OC
Peak OPS 2.77 TFLOPSFP16	Peak OPS 3.07 TFLOPSFP16
FP32 1.38 TFLOPS	FP32 1.54 TFLOPS
FP64 86.4 GFLOPS	FP64 384 GFLOPS
Pixel Rate 28.8 GPixel/s	Pixel Rate 24 GPixel/s
Texture Rate 43.2 GTexel/s	Texture Rate 48 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 640 Shaders
TMUs 24 TMUs	TMUs 40 TMUs
ROPs 16 ROPs	ROPs 20 ROPs
RT Cores 6 RT-Cores	RT Cores -
CUs 6 CUs	EUs 80 EUs

Clocks

Base Clock 1.5GHz	Base Clock -
Boost Clock 1.8GHz	Boost Clock 1.2GHz

Cache

L0 Cache 32KB/WGP	L0 Cache -
L1 256KB/Array	L1 -
L2 Cache -	L2 Cache 896KB shared
L3 Cache -	L3 Cache 3MB shared

Memory

Shared Memory LPDDR5·DDR5	Shared Memory LPDDR5·DDR5·LPDDR4X·DDR4
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 6.4GT/s	Memory Speed 5.2GT/s
Memory Bandwidth 102.4GB/s	Memory Bandwidth 83.2GB/s
ECC No	ECC No

Video Output

Max Resolution 4096x2160	Max Resolution 7680x4320
Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 60Hz
Multi-Monitor 4	Multi-Monitor 4
Adaptive Sync FreeSync	Adaptive Sync -
DSC Not Supported	DSC Supported
HDCP HDCP 2.2	HDCP -

API Support

Shader Model 6.7	Shader Model 6.6
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 2.2 Vulkan 1.3	OpenGL 4.6 OpenCL 3 Vulkan 1.2
GFX 10.3	-

Encoder

Encoder VCN 3.1	Encoder Quick Sync Video 8
Codec - - AVC (H.264) HEVC (H.265) -	Codec JPEG VP9 AVC (H.264) HEVC (H.265) AV1

Decoder

Decoder VCN 3.1	Decoder Quick Sync Video 8
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer Intel
Chip Designer AMD	Chip Designer Intel
Architecture RDNA 2	Architecture Gen 12
Family 600	Family Gen 12
Branding	Branding
Codename Rembrandt	Codename Xe LP
Chip Variant -	Chip Variant GT1
Market Segment Laptop	Market Segment Laptop
Release Date Jan 4, 2023	Release Date Aug 1, 2022

Fabrication

Foundry TSMC	Foundry Intel
Fabrication Node N6	Fabrication Node Intel 7
Die Size 210mm²	Die Size 161mm²
Transistor Count 13.1B	Transistor Count 11.9B
Transistor Density 62 MTr/mm²	Transistor Density 74 MTr/mm²

Images